Rates of Chemical
Reactions

 

Observation Chart

BEAKER SURFACE AREA ACTUAL TEMPERATURE
OF THE WATER (°C)
TIME OF REACTION
IN SECONDS (S)
One Cold    
Two Room Temperature    
Three Warm    

Conclusion:

  1. Which beaker contained the reaction that lasted the longest time?
  2. Which beaker had the reaction that lasted the shortest time?
  3. Write a statement to describe how the rate of a reaction is affected by changing the temperature of a substance.blank line
     
     
  4. Was your hypothesis correct?blank box yes blank box no
  5. Remember to switch roles at the next station.